| Name | Lactarius subinsulsus Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Lactarius |
| Citation | 1890 Rep. (Annual) Regents Univ. State New York New York State Mus. 43: 19 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactarius subinsulsus Peck |
| Identification made in | [no date] (1) |